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a39f5c68b463003c8a7bc78193bf45270417e3e0
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Author SHA1 Message Date
Pekka Enberg
a39f5c68b4 core: Populate page contents lazily 
We need to be able to allocate a new page and insert it into a page
cache without contents for asynchronoous I/O. Let's do that by making
`contents` optional in Page. (We perhaps ought to rename it to
`inner`...)
 2024-01-12 16:38:11 +02:00
Pekka Enberg
93670b0505 core: Add Completion.complete() helper 2024-01-12 15:51:10 +02:00
Pekka Enberg
2724b0f411 Simplify Buffer and Completion 
Eliminate the explicit lifetime parameter from Buffer to simplify the code.
 2024-01-05 16:32:21 +02:00
Pekka Enberg
9a463c636c Update README.md 2023-12-28 12:49:44 +02:00
Pekka Enberg
9a81ff7fdd Merge pull request #14 from penberg/penberg-patch-1 
Configure GitHub Actions
 2023-12-28 12:45:27 +02:00
Pekka Enberg
458dcc6204 Configure GitHub Actions 2023-12-28 12:42:41 +02:00
Pekka Enberg
c28544530e Prepare for asynchronous I/O with page flags 
We want to submit I/O asynchronously with io_uring, which means we can
have multiple concurrent lookups to the page that is under I/O.
Therefore, let's add three page flags: up-to-date, locked, and error, so
that the higher level layers can just look up a page, but wait if
there's I/O happening.
 2023-11-18 12:19:44 +02:00
Pekka Enberg
509b322f8a Fix build on Linux 2023-11-11 09:21:13 +02:00
Pekka Enberg
2267ee121b Introduce Completion type 2023-11-09 21:11:48 +02:00
Pekka Enberg
9781b2fdf2 Add publication 2023-10-26 15:02:56 +03:00
Pekka Enberg
76d16cb506 Fix I/O module compilation on wasm target 2023-10-24 19:05:34 +03:00
Pekka Enberg
dad0b6d627 Disable mimalloc for wasm target 2023-10-24 19:01:22 +03:00
Pekka Enberg
20eba95383 Fix get_next_record() for all pages with right-most pointer 
The right-most pointer is always kept separate from the cells in an
interior page so let's traverse it in all cases.
 2023-10-18 17:54:20 +03:00
Pekka Enberg
0e9cc6b21f Fix full table scans 
A full table scan missed some of the last rows because we don't consider
sibling pages when there is no parent.
 2023-10-17 16:53:24 +03:00
Pekka Enberg
e17eea96ab Add support for executing SQL directly without REPL 2023-10-06 20:03:02 +03:00
Pekka Enberg
97185bfefc Pin buffer into memory 
Make sure the buffer is pinned into memory for I/O.
 2023-09-30 19:24:09 +03:00
Pekka Enberg
9db164b319 Update README.md 2023-09-30 15:58:36 +03:00
Pekka Enberg
9098744a37 Rename to Limbo 2023-09-30 15:40:35 +03:00
Pekka Enberg
de6f327a4a Move raw buffer to I/O module 2023-09-30 14:19:55 +03:00
Pekka Enberg
1e1e096a48 Refactor I/O and storage layers 2023-09-16 09:34:17 +03:00
Pekka Enberg
b49c242266 Rename PageSource to File 2023-09-10 22:01:45 +03:00
Pekka Enberg
fe41f46bc0 I/O trait 2023-09-10 21:57:36 +03:00
Pekka Enberg
58eab38066 I/O layer cleanups 2023-09-10 21:02:23 +03:00
Pekka Enberg
72e92820d6 Share I/O ring across multiple files 2023-09-10 20:57:54 +03:00
Pekka Enberg
917bf258d9 Fixup gen-database.py 2023-09-10 13:48:23 +03:00
Pekka Enberg
8b0d4e731a Update README.md 2023-09-10 13:48:14 +03:00
Pekka Enberg
f59aea7dd9 Update README.md 2023-09-10 13:45:01 +03:00
Pekka Enberg
e08d23a008 Implement LIMIT clause 
Note that we handle `LIMIT 0` a bit different from SQLite, which just
detects the case and generates an unconditional jump doing nothing.

Fixes #3
 2023-09-10 13:42:57 +03:00
Pekka Enberg
a2202ed31e Implement reading primary key columns 2023-09-10 13:19:17 +03:00
Pekka Enberg
bc9c53ec52 Switch to raw output mode by default 2023-09-10 12:44:33 +03:00
Pekka Enberg
28854b3606 Merge branch 'main' of github.com:penberg/lig 2023-09-10 12:43:21 +03:00
Pekka Enberg
25ab9afd65 Silence function not used warning 2023-09-10 12:43:08 +03:00
Pekka Enberg
031071d80e Eliminate enum warning 2023-09-10 12:41:07 +03:00
Pekka Enberg
f6cbd9cd6c Eliminate unused variables 2023-09-10 12:39:30 +03:00
Pekka Enberg
e38c816ee8 Move translate() into its own file 2023-09-10 12:37:17 +03:00
Pekka Enberg
a80fa36d1e Fix compliation on Linux 2023-09-09 12:43:08 +03:00
Pekka Enberg
caf56bdc77 Fix build on macOS 2023-09-09 12:42:22 +03:00
Pekka Enberg
60abb68cef io_uring support 2023-09-09 12:36:54 +03:00
Pekka Enberg
29a6c6b877 Fix benchmark compilation 2023-09-09 10:24:08 +03:00
Pekka Enberg
4a5c71ab7a I/O interface refactoring 2023-09-09 10:22:26 +03:00
Pekka Enberg
49c19b55ab Unify sync I/O 2023-09-08 20:27:32 +03:00
Pekka Enberg
890d71b17f Add support for raw output mode 2023-09-08 09:16:59 +03:00
Pekka Enberg
0a942f0fd0 Implement full table scan 2023-09-07 21:59:33 +03:00
Pekka Enberg
e75fa010dc Add tests for SerialType::try_from() 2023-09-06 22:06:29 +03:00
Pekka Enberg
7977b23ae5 Fix read_value() and read_varint() corner cases 2023-09-06 19:46:18 +03:00
Pekka Enberg
04bf7324eb Document how to generate test coverage report 2023-09-06 19:41:49 +03:00
Pekka Enberg
7c894f3b70 Parse BTree table interior cells 2023-09-04 21:59:00 +03:00
Pekka Enberg
0cdf54a8c7 Fix column affinity detection 
As it turns out, column affinity is tricky in SQLite...

https://www.sqlite.org/datatype3.html#determination_of_column_affinity
 2023-09-04 21:19:12 +03:00
Pekka Enberg
b113fa2d10 Fix read_varint() implementation 
It was giving wrong results when reading a database file.
 2023-09-04 21:11:11 +03:00
Pekka Enberg
df39421f17 Add script for generating a test database 2023-09-04 20:39:22 +03:00